Bellamy Type Grenade ID needed

[paul the grenade]

Hi All. heres a few pics of a grenade that's similar to the Bellamy but with a different type of fuze. Can anyone help with a positive ID?
Cheers, Paul.

 

[Eugenio]

Grenade unkown origion please help

Hey Guys, We need help identifying this old grenade we need the make and model and country of origin. We have been unable to find it anywhere. Thanks in advance.

www.bocn.co.uk

Bellamy type B (¿improved?)